CN201167156Y - Improved structure of electric connector - Google Patents

Abstract

The utility model discloses an electric connector improvement structure, it includes a back lid, an insulator, a metal casing that is equipped with a plurality of passageways, and set up respectively in a plurality of metal contact terminal, pothook in the insulator passageway, the back lid meets with the rear portion of this insulator, metal casing meet its characterized in that with this insulator front portion: the short-circuit type metal contact terminal is a long sheet metal component, the front section of the terminal is provided with two discrete lower contact pieces, the middle section of the terminal is provided with a connecting part which combines the two contact pieces into a whole, and the rear section of the terminal is provided with an upper contact piece which extends backwards from the rear side edge of the connecting part, so that the terminal integrally forms an integral short-circuit structure which is in a door shape and is formed by one-time stamping. The utility model discloses need not to use connecting wire, simple structure, it is convenient to make, assemble, need not welding, process are few, therefore greatly reduced manufacturing cost to the performance of connector has been improved.

Description

An improved structure of an electrical connector

technical field

The utility model relates to an electric connector used for connecting power supply or signal communication, in particular to an improved structure of an electric connector which does not need to connect wires and adopts short-circuit contact terminals.

Background technique

Known electronic devices such as computers, mobile phones, and PDAs are provided with electrical connectors for connecting to power supply connections or data transmission interfaces. Referring to Fig. 1, the basic structure of the conventional electric connector in the prior art generally includes: a back cover 10 for separating the soldering positions of the contact terminals 30, 90, a metal shell 70, and a housing with several terminal passages. The insulator 60 and a number of metal contact terminals 30, 90 are respectively accommodated in the terminal channels of the insulator 60, and the two contact terminals 30, 90 are connected by a spanning connecting wire 80 to achieve electrical conduction, that is, a short circuit . For products with this structure, a welding process must be added in the manufacturing process. Therefore, the product has more subsequent processing steps, and a section of wire must be added, resulting in higher production costs; Welding or falling off, the quality cannot be guaranteed; the wire and its insulation layer are easily damaged during use, which affects the life of the connector and the electronic device using the connector.

Utility model content

The purpose of this utility model is to provide an improved structure of an electrical connector that does not need to connect wires but uses short-circuit contact terminals to address the above-mentioned shortcomings in the existing electrical connector structure.

In order to achieve the above object, the technical solution provided by the utility model is:

An improved structure of an electrical connector, which includes a back cover, an insulator with several passages, a metal shell, and a number of metal contact terminals and hooks respectively arranged in the passages of the insulator, the back cover and The back of the insulator is connected, and the metal shell is connected to the front of the insulator. It is characterized in that it also includes at least a short-circuit metal contact terminal arranged in the channel of the insulator. The terminal is a long Shaped sheet-shaped metal member, the front section is provided with two separate lower contact pieces, the middle section is provided with a connection part that combines the two contact pieces together, and the rear section is provided with an upper part extending backward from the rear side of the connection part. The contact pieces form a door-shaped, one-time stamped integrated short-circuit structure as a whole.

The improved structure of the electrical connector is characterized in that: the joint part of the short-circuit metal contact terminal is a U-shaped bending structure, and the sides of the two lower contact pieces are parallel to each other after bending, and are covered by the insulator The channel is fixed longitudinally.

The improved structure of the electrical connector is characterized in that: the upper contact piece is elongated, located in the middle of the connecting portion, and its width is smaller than that of the connecting portion.

The improved structure of the electrical connector is characterized in that: on the inner end surface of the middle part of the lower contact piece, there are respectively provided with a limit bump protruding inward; the tops of the two limit bumps are in contact.

The improved structure of the electrical connector is characterized in that: the limiting protrusion is an arc-shaped structure punched inward, and the punched part forms a through hole on the lower contact piece.

The improved structure of the electrical connector is characterized in that: each of the front ends of the lower contacts is provided with a contact point.

The improved structure of the electrical connector is characterized in that: the front end surface of the lower contact piece is provided with several barbs for positioning it.

The improved structure of the electrical connector is characterized in that it further includes hooks respectively provided in the terminal channels on one side of the insulator for connecting the metal shell.

The utility model has the advantages that: because the utility model designs two adjacent contact terminals that need short-circuit connection as a short-circuit metal contact terminal with an integrated structure, and the two contact terminals have an integrated short-circuit structure when stamping and forming, so its The purpose of short-circuit connection can be realized without the use of connecting wires; a pair of bumps are stamped and formed on the inner side of the lower contact piece to limit the position of each other; Lock structure; the above-mentioned back cover, insulator, shell and metal contact terminals are connected to each other to form an electrical connector product. The utility model does not need to use connecting wires, and the short-circuit metal contact terminal is stamped as a whole at one time. The electrical connector device adopting this structure has simple structure, convenient manufacture and assembly, no need for welding, and fewer procedures, thus greatly reducing the cost. The production cost is low, and the use performance of the connector is improved.

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Description of drawings

FIG. 1 is a schematic structural diagram of an electrical connector in the prior art;

Fig. 2 is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

Fig. 3 is a schematic diagram of the assembly structure of Fig. 2;

FIG. 4 is a schematic diagram of the enlarged structure of the short-circuit metal contact in FIG. 2 , wherein A is a schematic diagram of a three-dimensional structure, and B is a schematic diagram of a front view of the structure.

Detailed ways:

Embodiment: Referring to Fig. 2, Fig. 3, Fig. 4, an improved structure of an electrical connector includes a back cover 10, an insulator 60 provided with a body 61 and several passages 62, a metal shell 70, and respectively A plurality of metal contact terminals 30, 50 and hooks 20 in the insulator channel 62, the rear cover 10 is connected to the rear of the insulator 60, and the metal shell 70 includes a body 72 and a side opening 71; it connects with the front part of the insulator 60; it also includes a short-circuit metal contact terminal 40 arranged in the insulator channel 62, the terminal is an elongated sheet metal member, and its front section is provided with two separate The lower contact piece 44 has a connecting part 41 which combines the two contact pieces into one in the middle section, and an upper contact piece 47 extending backward from the rear side of the connecting part 44 is provided in its rear section, so that it forms a whole in the form of a Door-shaped, one-time punched integrated short-circuit structure; the joint 41 of the short-circuit metal contact terminal 40 is a U-shaped bending structure, and the sides of the two lower contact pieces 44 are parallel to each other after bending, and Fixed longitudinally by the insulator channel 62.

The upper contact piece 47 is elongated, located in the middle of the connecting portion 41 , and its width is smaller than the connecting portion 41 , and exposed from the insulator 60 and the rear cover 10 after assembly.

On the inner end surface of the middle part of the lower contact piece 44, there are oppositely provided with an inwardly protruding limiting protrusion 43; the tops of the two limiting protrusions 43 are in contact with each other, which is an arc-shaped structure punched inward, The stamping part forms a through hole 46 on the lower contact piece 44; a contact point 45 is respectively provided at the front end; a plurality of barbs 42 for positioning it are also provided on the front end surface.

The improved structure of the electrical connector also includes hooks 20 respectively arranged in the terminal channels 62 on one side of the insulator 60 to connect the metal shell 70; The shell 70 together forms a more stable locking structure with a longer lifespan.

Using the same or similar structures described in the above embodiments of the present invention, other improved structures of the electrical connector obtained are within the protection scope of the present invention.

Claims (8)

1. electric connector structure-improved, it comprises a bonnet, one is provided with the insulator of some passages, one metal shell, reach the number of metal contact terminal that is arranged at respectively in the described insulator passage, grab, the rear portion of described bonnet and this insulator joins, described metal shell and this insulator front portion join, it is characterized in that: it also comprises a short-circuit type Metal Contact terminal that is arranged in the described insulator passage at least, this terminal is a microscler sheet metal member, its leading portion is provided with two discrete following contacts, its stage casing is provided with a connecting portion that this two contact is combined as a whole, its back segment is provided with a last contact that extends back from its connecting portion back side edge, makes it wholely form one and be a shape, the disposable integral type short-circuit structure that is stamped to form.

2. electric connector structure-improved according to claim 1 is characterized in that: the joint portion of described short-circuit type Metal Contact terminal is a U type bending structure, and its side that bends back twice contacts is parallel to each other, and vertically fixing by described insulator passage.

3. electric connector structure-improved according to claim 1 and 2 is characterized in that: the described contact of going up is one microscler, and it occupy described connecting portion centre position, and its width is less than described connecting portion.

4. electric connector structure-improved according to claim 1 and 2 is characterized in that: on the inner side end at described contact down middle part, relatively respectively be provided with an inwardly outstanding spacing salient point; The top of two spacing salient points contacts.

5. electric connector structure-improved according to claim 4 is characterized in that: described spacing salient point is the arcuate structure of an inside punching press, and its punching press position forms a through hole on described contact down.

6. electric connector structure-improved according to claim 1 and 2 is characterized in that: the described front end of contact down respectively is provided with a contact point.

7. electric connector structure-improved according to claim 1 and 2 is characterized in that: the described front end face of contact down is provided with some barbs that are used for being located.

8. electric connector structure-improved according to claim 1 and 2 is characterized in that: it also comprises and being separately positioned in the insulator one side terminal passage, in order to connect the grab of described metal shell.

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